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What is the C# Using block and why should I use it? [duplicate]
What is the purpose of the Using block in C#? How is it different from a local variable?
9 Answers
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How does #include work in C++? [duplicate]
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files?
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Objective-C: Reading a file line by line
What is the appropriate way of dealing with large text files in Objective-C? Let's say I need to read each line separately and want to treat each line as an NSString. What is the most efficient way of doing this?
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
Can any one tell me the advantage of synchronized method over synchronized block with an example?
23 Answers
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Get index of array element faster than O(n)
...nt to get index of the value in array. Is there any other way, rather then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times.
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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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Flags to enable thorough and verbose g++ warnings
Often in C under gcc , I will start with the following set of warning flags (painfully assembled from multiple sources):
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PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
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